Nitrogen and carbon transformations before and after clear-cutting in repeatedly N-fertilized and limed forest soil

abonos nitrogenados amendement calcique amendement du sol azote carbon carbone carbono corta a hecho coupe rase enmiendas calizas enmiendas del suelo forest soils lime liming materials mineralisation mineralization nitrogen nitrogen fertilizers ph del suelo ph du sol picea abies podzol podzoles podzols soil amendments soil ph soil types suelo forestal tipos de suelos type de sol